Performed by Wendy Padbury as Zoe Heriot. A new adventure with the Second Doctor, as told by his companion, Zoe. In the future, Zoe Heriot is a prisoner of the mysterious Company, which has evidence that she travelled through space and time with the Doctor. Zoe's memories have been blocked by the Time Lords, but the Company is determined to break through this conditioning... And so Zoe recalls a journey to Earth in the past, to the funeral of a young woman called Meg, who was involved in scientific experiments that are bringing forth sinister alien creatures. Only the Doctor, Jamie, and Zoe can stop them.